flowchart LR
A["Nominal"] --> B["Counts / proportions"]
C["Ordinal"] --> D["Ordered counts / threshold shares"]
E["Discrete"] --> F["Counts / rates"]
G["Continuous"] --> H["Means / medians / histograms"]
6 Further Resources
6.1 Context Clues for $200
This collection lets you explore, visualize, and make sense of data beyond the basics
If you want a little more practice or a different explanation style, these are good places to keep going. The goal here is not to overload you. It is to give you a few reliable places to revisit the same ideas from a different angle.
External resources
Guide to Data Types and How to Graph Them in Statistics
A plain-language reference for nominal, ordinal, discrete, and continuous data.CDC Field Epidemiology Manual: Describing Epidemiologic Data
Useful once you want to see how variable type connects to real epidemiologic description.CDC NHANES Interactive Data Visualizations
A good example of how public-health variables get summarized and displayed in practice.Data Carpentry: Data visualization with ggplot2
Helpful if you want more exposure to how plot choice follows the structure of the data.